Presentation on theme: "DEOEC Institute of Oncology Department of Radiotherapy."— Presentation transcript:
DEOEC Institute of Oncology Department of Radiotherapy
Radiology: diagnosis Radiotherapy: part of active oncotherapy (oncoradiology, radiation oncology) Oncology:chemotherapy
The branch of clinical medicine which uses ionising radiation, either alone or in combinations with other modalities, for the treatment of patients with cancer (or benign diseases). It includes responsibility for the treatment, follow up and supportive care of the patient as an integral of the multidisciplinary management of patients.
external beam radiation is delivered from outside the body by using a machine to aim high-energy rays (x-rays, gamma rays or photons). TELETHERAPY internal radiation is delivered from inside the body by placing radioactive material, sealed in catheters or seeds, directly into the tumor. BRACHYTERAPY
Precisely locate the target Hold the target fixed Accurately aim the radiation beam Shape the radiation beam to the target Deliver a radiation dose that damages abnormal cells yet spares normal cells